:root {
    --primary-color: #0B133B;
    --text-color: #ffffff;
    --highlight-color: #4A90E2;
    --card-bg-color: rgba(255, 255, 255, 0.05);
    --button-primary-bg: #00A8FF;
    --button-secondary-bg: rgba(255, 255, 255, 0.2);
}

body {
    background-color: var(--primary-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    margin: 0;
    padding: 0;
    font-size: 16px;
    line-height: 1.6;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 0;
    text-align: center;
}

h1, h2, h3 {
    font-weight: 600;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--button-primary-bg);
    color: var(--text-color);
    border: 1px solid var(--button-primary-bg);
}

.btn-primary:hover {
    background-color: transparent;
    border: 1px solid var(--button-primary-bg);
    color: var(--button-primary-bg);
}

.btn-secondary {
    background-color: var(--button-secondary-bg);
    color: var(--text-color);
    border: 1px solid var(--text-color);
    margin-left: 15px;
}

.btn-secondary:hover {
    background-color: var(--text-color);
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background-image: radial-gradient(circle at 50% 20%, rgba(74, 144, 226, 0.3), transparent 50%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero .container {
    padding-top: 100px;
    padding-bottom: 100px;
}

.hero-icons {
    margin-bottom: 20px;
    font-size: 24px;
}

.hero-icons span {
    margin: 0 10px;
    opacity: 0.8;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: bold;
    margin-bottom: 10px;
    letter-spacing: 5px;
}

.hero .subtitle {
    font-size: 1.5rem;
    color: #a0c4ff;
    margin-bottom: 30px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 500;
    line-height: 1.4;
}

.hero .description {
    font-size: 1.1rem;
    color: #a0c4ff;
    margin-bottom: 40px;
}

.cta-buttons {
    margin-bottom: 60px;
}

.scroll-down {
    font-size: 24px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

/* General Section Styles */
h2 {
    font-size: 2.8rem;
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #a0c4ff;
    margin-bottom: 50px;
}

/* Grid Layouts */
.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: stretch;
}

/* Card Styles */
.card {
    background-color: var(--card-bg-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: left;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(74, 144, 226, 0.5);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--highlight-color);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.card p {
    font-size: 1.2rem;
    color: #a0c4ff;
    font-weight: bold;
}

#core-modules .card:nth-child(2) {
    background-color: rgba(118, 255, 209, 0.15);
    border-color: rgba(118, 255, 209, 0.4);
}

#tech-breakthrough {
    background-color: #0A102E; /* slightly different dark blue */
}

#tech-breakthrough .card {
    background-color: rgba(74, 144, 226, 0.1);
    border-color: rgba(74, 144, 226, 0.2);
}

#tech-breakthrough .card p {
    font-size: 1rem;
    font-weight: normal;
}

/* Product Value Section */
#product-value {
    background-color: var(--primary-color);
}

.value-card {
    background-color: #1A224D;
    border-radius: 15px;
    padding: 40px;
    text-align: left;
    display: flex;
    flex-direction: column;
}

.value-card h3 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-card h3::before {
    content: '📄'; /* Placeholder icon */
    margin-right: 15px;
    font-size: 2rem;
}

.value-card.highlight h3::before {
    content: '👥'; /* Placeholder icon */
}

.value-segment {
    margin-bottom: 25px;
}

.value-segment:last-child {
    margin-bottom: 0;
}

.value-segment h4 {
    font-size: 1.1rem;
    color: var(--highlight-color);
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(74, 144, 226, 0.3);
    padding-bottom: 10px;
}

.value-segment ul {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.value-segment li {
    background-color: rgba(0, 0, 0, 0.1);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.95rem;
}

.value-card.highlight {
    background-color: rgba(223, 255, 204, 0.1);
}

.value-card.highlight .highlight-item {
    background-color: #DAFF72;
    color: #3D4A0B;
    font-weight: bold;
    grid-column: span 2;
    text-align: center;
}

/* Case Studies Section */
#case-studies {
    background-color: #1A163F;
}

.case-study-card {
    background: #1F1A48;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    border-top: 5px solid;
    border-image: linear-gradient(to right, #D83B9D, #7B42F6) 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.case-study-header {
    margin-bottom: 20px;
    color: #FDB5E2;
    font-weight: bold;
    display: inline-block;
    border-bottom: 2px solid #D83B9D;
    padding-bottom: 15px;
}

.case-study-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #D83B9D, #7B42F6);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 15px;
}

.case-study-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.case-study-card p {
    color: #d1c8ff;
    font-size: 1.1rem;
    line-height: 1.5;
    margin-bottom: 10px;
}

.verified-badge {
    color: #50E3C2;
    font-weight: bold;
    margin-top: 20px;
}

.verified-badge span {
    display: inline-block;
    margin-right: 8px;
}

/* Footer */
#footer {
    background-color: var(--primary-color);
    padding-top: 80px;
}

#footer .cta-buttons {
    margin-top: 40px;
    margin-bottom: 80px;
}

.contact-item {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 30px;
    border-radius: 10px;
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--highlight-color);
}

.contact-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.contact-item p {
    color: #a0c4ff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px 0;
}

.footer-bottom h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.footer-bottom p {
    color: #a0c4ff;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .grid-4, .grid-3, .grid-2 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    .hero h2 {
        font-size: 1.8rem;
    }
    .grid-4, .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }

    .value-segment ul {
        grid-template-columns: 1fr;
    }
}

.value-segment ul {
    padding-left: 20px;
}

/* Modal Styles */
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1000; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgba(0,0,0,0.7); /* Black w/ opacity */
}

.modal-content {
    background-color: #fefefe;
    color: #333;
    margin: 15% auto; /* 15% from the top and centered */
    padding: 30px;
    border: 1px solid #888;
    width: 80%;
    max-width: 300px;
    border-radius: 15px;
    text-align: center;
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.modal-content p {
    font-size: 1.1rem;
    margin-top: 15px;
}

.close-btn {
    color: #aaa;
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
}

.close-btn:hover,
.close-btn:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
} 

.icp-info {
  text-align: center;
  margin-top: 18px;
  font-size: 15px;
  color: #888;
}
.icp-link {
  color: #007aff;
  text-decoration: underline;
  font-weight: bold;
  margin-right: 8px;
}
.icp-link:hover {
  color: #0056b3;
}
.icp-tip {
  font-size: 13px;
  color: #bbb;
  margin-left: 4px;
}